OP-Tech Hair Color Applicator Bottle Sizes: 8.45 oz. (250 ml), 6.8 oz. and 4.06 oz. The perfect hair color application and mixing accessory for your salon. Squeezable bottles to dispense contents easily. Fine nozzle to ensure accuracy. Twist-screw cap to prevent spills and efficiency during storage. *Want to customize the 2x pack with another size? Select it during checkout, add it to your order notes, or send us a message with your order number and we'll happily do this for you.